move non collisioning libraries to oer plugins dir
use for oerpub the not conflicting oer plugins
migrate to for oerpub to oer/assorted
migrate oerpub/assorted images to oer/assorted
use migrated paths for cnx.html demo
fix wrong pointing directories
migrate unit test
remove redundant and not used plugins
Merge branch 'master' into oer-plugins-reorganisation
Merged from master
Merge pull request #8 from wysiwhat/oer-plugins-reorganisation

OER plugins reorganisation